Answer: Most ecologists do not study the biosphere level of organization because it is difficult to study all of life on earth as a whole. It is more effective to study it broken down into parts.
Explanation:
<em>The Person Below Answered Correctly!</em>
<em>The answer truly is...</em>
<h2><u><em>Andosine Diphosate!</em></u></h2><h3>
<em>How do I know?</em></h3>
<em>Funny thing is, I attend k12 myself! Here's a photo of the answer!</em>